File: //etc/fonts/conf.d/65-stix-fonts.conf
<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE fontconfig SYSTEM "urn:fontconfig:fonts.dtd">
<!-- SPDX-License-Identifier: MIT -->
<fontconfig>
<match target="scan">
<test name="fullname">
<string>STIX Two Text Bold</string>
</test>
<test name="family">
<string>STIX Two Text</string>
</test>
<test name="style">
<string>Bold</string>
</test>
<edit name="fullname" mode="prepend">
<string>STIX Bold</string>
</edit>
<edit name="family" mode="prepend">
<string>STIX</string>
</edit>
<edit name="fontversion">
<int>2</int>
</edit>
</match>
<match target="scan">
<test name="fullname">
<string>STIX Two Text Bold Italic</string>
</test>
<test name="family">
<string>STIX Two Text</string>
</test>
<test name="style">
<string>Bold Italic</string>
</test>
<edit name="fullname" mode="prepend">
<string>STIX Bold Italic</string>
</edit>
<edit name="family" mode="prepend">
<string>STIX</string>
</edit>
<edit name="fontversion">
<int>2</int>
</edit>
</match>
<match target="scan">
<test name="fullname">
<string>STIX Two Text Italic</string>
</test>
<test name="family">
<string>STIX Two Text</string>
</test>
<test name="style">
<string>Italic</string>
</test>
<edit name="fullname" mode="prepend">
<string>STIX Italic</string>
</edit>
<edit name="family" mode="prepend">
<string>STIX</string>
</edit>
<edit name="fontversion">
<int>2</int>
</edit>
</match>
<match target="scan">
<test name="fullname">
<string>STIX Two Text</string>
</test>
<test name="family">
<string>STIX Two Text</string>
</test>
<test name="style">
<string>Regular</string>
</test>
<edit name="fullname" mode="prepend">
<string>STIX</string>
</edit>
<edit name="family" mode="prepend">
<string>STIX</string>
</edit>
<edit name="fontversion">
<int>2</int>
</edit>
</match>
<match target="scan">
<test name="fullname">
<string>STIX Two Math</string>
</test>
<test name="family">
<string>STIX Two Math</string>
</test>
<test name="style">
<string>Regular</string>
</test>
<edit name="fullname" mode="prepend">
<string>STIX</string>
</edit>
<edit name="family" mode="prepend">
<string>STIX</string>
</edit>
<edit name="fontversion">
<int>1</int>
</edit>
</match>
<alias binding="same">
<family>STIX</family>
<accept>
<family>STIXGeneral</family>
<family>STIXIntegralsD</family>
<family>STIXIntegralsSm</family>
<family>STIXIntegralsUpD</family>
<family>STIXIntegralsUp</family>
<family>STIXNonUnicode</family>
<family>STIXSizeFiveSym</family>
<family>STIXSizeFourSym</family>
<family>STIXSizeThreeSym</family>
<family>STIXSizeTwoSym</family>
<family>STIXSizeOneSym</family>
<family>STIXVariants</family>
<family>STIX Math</family>
<family>serif</family>
</accept>
</alias>
<alias binding="same">
<family>STIXGeneral</family>
<accept>
<family>STIX</family>
</accept>
</alias>
<alias binding="same">
<family>STIXIntegralsD</family>
<accept>
<family>STIX</family>
</accept>
</alias>
<alias binding="same">
<family>STIXIntegralsSm</family>
<accept>
<family>STIX</family>
</accept>
</alias>
<alias binding="same">
<family>STIXIntegralsUpD</family>
<accept>
<family>STIX</family>
</accept>
</alias>
<alias binding="same">
<family>STIXIntegralsUp</family>
<accept>
<family>STIX</family>
</accept>
</alias>
<alias binding="same">
<family>STIXNonUnicode</family>
<accept>
<family>STIX</family>
</accept>
</alias>
<alias binding="same">
<family>STIXSizeFiveSym</family>
<accept>
<family>STIX</family>
</accept>
</alias>
<alias binding="same">
<family>STIXSizeFourSym</family>
<accept>
<family>STIX</family>
</accept>
</alias>
<alias binding="same">
<family>STIXSizeThreeSym</family>
<accept>
<family>STIX</family>
</accept>
</alias>
<alias binding="same">
<family>STIXSizeTwoSym</family>
<accept>
<family>STIX</family>
</accept>
</alias>
<alias binding="same">
<family>STIXSizeOneSym</family>
<accept>
<family>STIX</family>
</accept>
</alias>
<alias binding="same">
<family>STIXVariants</family>
<accept>
<family>STIX</family>
</accept>
</alias>
<alias binding="same">
<family>STIX Math</family>
<accept>
<family>STIX</family>
</accept>
</alias>
<alias>
<family>serif</family>
<prefer>
<family>STIX</family>
</prefer>
</alias>
</fontconfig>